Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 80 J 4.2 J 2268 J 336 J 80 J 4.2 J 2268 J 336 J ANSWER DOWNLOAD EXAMIANS APP
Physics A spherical ball made of steel when dropped in mercury container Will be partly immersed mercury Will dissolve in mercury Will be on the surface of mercury Sink in mercury Will be partly immersed mercury Will dissolve in mercury Will be on the surface of mercury Sink in mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Amplifiers Rectifiers None of these Oscillators Amplifiers Rectifiers None of these Oscillators ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Reflection of light by atmosphere Scattering of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Reflection of light by atmosphere Scattering of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Reflect lights of different colours Dispense light into component colours Refract light of different colours Transmit or absorb light of different colours Reflect lights of different colours Dispense light into component colours Refract light of different colours Transmit or absorb light of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Air Water Vacuum Glass Air Water Vacuum Glass ANSWER DOWNLOAD EXAMIANS APP
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